The process of accumulating higher and higher amounts of a toxic material such as PCBs within the body of any animal is called

Bioaccumulation

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Biological amplification

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Biological half-life

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None of the above

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Solution

The correct option is A Bioaccumulation
The process of accumulation of chemicals in the living cells in increasing concentration is known as bioaccumulation. When there is excessive use of the pesticides such as Polychlorinated biphenyls (PCBs) against the harmful pests, they are accumulated in the food products. When these products are consumed, the chemicals deposit in the fatty tissues of the host. This phenomenon is called bioaccumulation of the chemicals in the living system. Thus the correct answer is option A.

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